Detection device for hydraulic cylinder body

Abstract

The utility model provides a hydraulic cylinder detection device, and relates to the cylinder detection technology field, the hydraulic cylinder detection device comprises a bottom block, the top of the bottom block is provided with a first caulking groove, the first caulking groove is internally fixedly connected with a first sealing gasket, the top of the bottom block is fixedly connected with a vertical column close to the edge, one side wall of the vertical column is provided with a groove, and the first caulking groove is internally provided with a second sealing gasket. And a screw rod is arranged in the groove, and the surface of the screw rod is sleeved with and in threaded connection with a lifting piece. Cylinder bodies with different heights are placed in the first caulking grooves, then the driving motor drives the screw rod to rotate, the screw rod rotates to drive the lifting disc to descend through the lifting piece, the effect of clamping and fixing the cylinder bodies can be achieved, and therefore the effect of clamping the cylinder bodies with different heights can be achieved; meanwhile, the two ends of the cylinder body can be sealed through the first sealing gasket and the second sealing gasket, and the situation that gas overflows from the two ends of the cylinder body in the detection process and influences the detection result can be prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of cylinder detection, in particular to a detection device for a hydraulic cylinder. Background Art

[0002] A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has a simple structure and reliable operation. When it is used to achieve reciprocating motion, the reduction device can be eliminated, and there is no transmission gap and the movement is smooth. Therefore, it is widely used in the hydraulic systems of various machines. The output force of the hydraulic cylinder is proportional to the effective area of ​​the piston and the pressure difference on both sides. The hydraulic cylinder is basically composed of a cylinder barrel and a cylinder head, a piston and a piston rod, a sealing device, a buffer device and an exhaust device. The buffer device and the exhaust device depend on the specific application scenario, and other devices are indispensable.

[0003] During the production and processing of hydraulic cylinders, testing their sealing is a very important part. Workers usually use professional testing tools to test the sealing of the hydraulic cylinder body, but the existing hydraulic cylinder body testing devices are usually not suitable for clamping and fixing hydraulic cylinder bodies of different heights. Therefore, a hydraulic cylinder body testing device is needed to solve the above problem. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that the hydraulic cylinder body detection device is usually not suitable for clamping and fixing hydraulic cylinder bodies of different heights, and proposes a hydraulic cylinder body detection device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a device for detecting a hydraulic cylinder body, comprising a bottom block, the top of the bottom block is provided with a first embedding groove, the interior of the first embedding groove is fixedly connected to a first sealing gasket, the top of the bottom block and a vertical column is fixedly connected near the edge, a side wall of the vertical column is provided with a groove, a screw is provided inside the groove, a lifting member is sleeved on the surface of the screw and threadedly connected, one end of the lifting member is fixedly connected to a lifting plate, the bottom of the lifting plate is provided with a second embedding groove, the interior of the second embedding groove is fixedly connected to a second sealing gasket, the top of the lifting plate is fixedly connected and connected to a pressure gauge, one side wall of the vertical column and an air pump is fixedly connected near the bottom, the top of the air pump is fixedly connected and connected to a connecting pipe, the other end of the connecting pipe is equipped with a connecting member, the first embedding groove and the second embedding groove are embedded with a cylinder body, the surface of the cylinder body is fixedly connected to an intake pipe, and the connecting member is adapted to the intake pipe.

[0006] Preferably, the bottom of the bottom block is fixedly connected to a chassis, the outer arc wall of the chassis is fixedly connected to mounting blocks at equal intervals, and the surface of the mounting blocks is provided with mounting holes.

[0007] Preferably, the bottom of the screw is rotatably connected to the bottom inner wall of the groove by a bearing, and the top of the screw passes through the top inner wall of the groove and is rotatably connected to its bearing.

[0008] Preferably, a driving motor is fixedly connected to the top of the vertical column, and an output end of the driving motor is fixedly connected to the top of the screw rod.

[0009] Preferably, limiting grooves are provided on the inner walls on both sides of the groove, the limiting grooves are fixedly connected to limiting rods, the limiting rods are sleeved on the surface and slidably connected to limiting blocks, and the limiting blocks are fixedly connected to the lifting member.

[0010] Preferably, the bottom of the air pump is fixedly connected to the top of the chassis.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] In the utility model, cylinder bodies of different heights are placed inside the first embedding groove, and then the screw is driven to rotate by a driving motor. The rotation of the screw drives the lifting plate to descend through the lifting member, so that the cylinder bodies can be clamped and fixed, thereby achieving the effect of clamping cylinder bodies of different heights. At the same time, the first sealing gasket and the second sealing gasket can also seal the two ends of the cylinder body, thereby preventing gas from overflowing from the two ends of the cylinder body during the detection process and affecting the detection result. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model proposes a three-dimensional diagram of the overall structure of a hydraulic cylinder detection device;

[0014] Figure 2 The utility model proposes an overall structural sectional view of a hydraulic cylinder detection device;

[0015] Figure 3 The utility model provides a partial structural stereogram of a hydraulic cylinder detection device.

[0016] Legend: 1. Bottom block; 2. Chassis; 3. Mounting block; 4. Mounting hole; 5. First embedding groove; 6. First sealing gasket; 7. Vertical column; 8. Groove; 9. Screw; 10. Lifting piece; 11. Driving motor; 12. Limiting groove; 13. Limiting block; 14. Limiting rod; 15. Lifting plate; 16. Second embedding groove; 17. Second sealing gasket; 18. Pressure gauge; 19. Air pump; 20. Connecting pipe; 21. Connecting piece; 22. Cylinder body; 23. Intake pipe. DETAILED DESCRIPTION

[0017] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0018] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0019] Embodiment 1, as Figure 1-3 As shown, the utility model provides a detection device for a hydraulic cylinder body, comprising a bottom block 1, a first embedding groove 5 is provided on the top of the bottom block 1, a first sealing gasket 6 is fixedly connected inside the first embedding groove 5, a vertical column 7 is fixedly connected to the top and near the edge of the bottom block 1, a groove 8 is provided on one side wall of the vertical column 7, a screw 9 is provided inside the groove 8, a lifting member 10 is sleeved on the surface of the screw 9 and threadedly connected, a lifting plate 15 is fixedly connected to one end of the lifting member 10, a second embedding groove 16 is provided at the bottom of the lifting plate 15, a second sealing gasket 17 is fixedly connected inside the second embedding groove 16, a pressure gauge 18 is fixedly connected to the top of the lifting plate 15, an air pump 19 is fixedly connected to one side wall of the vertical column 7 and near the bottom, a connecting pipe 20 is fixedly connected to the top of the air pump 19, a connecting member 21 is installed at the other end of the connecting pipe 20, a cylinder body 22 is embedded in the first embedding groove 5 and the second embedding groove 16, an air intake pipe 23 is fixedly connected to the surface of the cylinder body 22, and the connecting member 21 is adapted to the air intake pipe 23.

[0020] The effect achieved by the entire embodiment 1 is that a first embedding groove 5 is opened at the top of the bottom block 1, and a first sealing gasket 6 is fixedly connected inside the first embedding groove 5, which can play the effect of sealing the bottom of the cylinder body 22, and a vertical column 7 is fixedly connected through the top of the bottom block 1 and close to the edge, and a groove 8 is opened on one side wall of the vertical column 7, and a screw 9 is arranged inside the groove 8, and a lifting member 10 is sleeved on the surface of the screw 9 and threadedly connected, and a lifting plate 15 is fixedly connected to one end of the lifting member 10, and a second embedding groove 16 is opened at the bottom of the lifting plate 15, and a second sealing gasket 17 is fixedly connected inside the second embedding groove 16, which can make the screw 9 rotate to drive the lifting member 10 to rise and fall, and the lifting member 10 rises and falls so that the second embedding groove 16 is sleeved on The effect on the top of the cylinder body 22 is that a pressure gauge 18 is fixed and connected to the top of the lifting plate 15, so as to detect the internal air pressure strength of the cylinder body 22. An air pump 19 is fixedly connected to a side wall of the vertical column 7 and close to the bottom. A connecting pipe 20 is fixed and connected to the top of the air pump 19. A connecting piece 21 is installed at the other end of the connecting pipe 20. The cylinder body 22 is embedded in the first groove 5 and the second groove 16. The surface of the cylinder body 22 is fixed and connected to an air intake pipe 23. The connecting piece 21 is adapted to the air intake pipe 23, so that the connecting piece 21 can be rotated and sleeved on the air intake pipe 23. At this time, the gas is poured into the cylinder body 22 through the air pump 19, so as to detect the sealing effect of the cylinder body 22.

[0021] Embodiment 2, as Figure 1-3 As shown, the bottom of the bottom block 1 is fixedly connected to the chassis 2, and the outer arc wall of the chassis 2 is fixedly connected to the mounting blocks 3 at equal intervals, and the surface of the mounting blocks 3 is provided with mounting holes 4; the bottom of the screw rod 9 is rotatably connected to the bottom inner wall bearing of the groove 8, and the top of the screw rod 9 passes through the top inner wall of the groove 8 and is rotatably connected to its bearing; the top of the vertical column 7 is fixedly connected to the driving motor 11, and the output end of the driving motor 11 is fixedly connected to the top of the screw rod 9; the inner walls on both sides of the groove 8 are provided with limiting grooves 12, and the inside of the limiting grooves 12 is fixedly connected to the limiting rod 14, and the surface of the limiting rod 14 is sleeved and slidably connected to the limiting block 13, and the limiting block 13 is fixedly connected to the lifting member 10; the bottom of the air pump 19 is fixedly connected to the top of the chassis 2.

[0022] The effect achieved by the entire embodiment 2 is that the bottom of the bottom block 1 is fixedly connected with the chassis 2, the outer arc wall of the chassis 2 is fixedly connected with the mounting block 3 at equal intervals, and the surface of the mounting block 3 is provided with a mounting hole 4, which can play the effect of installing the device; the bottom of the screw rod 9 is rotatably connected with the bottom inner wall of the groove 8 by the bearing, and the top of the screw rod 9 passes through the top inner wall of the groove 8 and is rotatably connected with its bearing, which can play the effect of positioning the two ends of the screw rod 9; the top of the vertical column 7 is fixedly connected with the drive motor 11, and the output end of the drive motor 11 is fixedly connected with the top of the screw rod 9, which can play the effect of making the drive motor 11 drive the screw rod 9 to rotate; the inner walls on both sides of the groove 8 are provided with a limiting groove 12, and the limiting rod 14 is fixedly connected to the inside of the limiting groove 12, and the limiting block 13 is sleeved and slidably connected on the surface of the limiting rod 14, and the limiting block 13 is fixedly connected with the lifting member 10, which can play the effect of limiting the lifting member 10; the bottom of the air pump 19 is fixedly connected with the top of the chassis 2, which can play the effect of fixing the air pump 19.

[0023] Working principle: by placing the cylinder bodies 22 of different heights into the first embedding groove 5, the screw 9 is driven to rotate by the driving motor 11, and the screw 9 rotates to drive the lifting plate 15 to descend through the lifting member 10. At this time, the top of the cylinder body 22 will be embedded in the second embedding groove 16, which can clamp and fix the cylinder body 22, thereby achieving the effect of clamping the cylinder bodies 22 of different heights. At the same time, the first sealing gasket 6 and the second sealing gasket 17 can also seal the two ends of the cylinder body 22. At this time, the connecting piece 21 is sleeved on the air inlet pipe 23, and the gas is injected into the cylinder body 22 through the air pump 19. When the injection of gas is stopped, the barometer 18 can detect the cylinder body 22.

[0024] The wiring diagram of the drive motor 11, the barometer 18, the air pump 19 and the cylinder body 22 in the utility model belongs to the common knowledge in the field, and its working principle is a well-known technology. The model is selected according to the actual use. Therefore, the control method and wiring arrangement of the drive motor 11, the barometer 18, the air pump 19 and the cylinder body 22 are no longer explained in detail.

[0025] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A hydraulic cylinder detection device, comprising a bottom block (1), characterized in that: The top of the bottom block (1) is provided with a first embedding groove (5), the interior of the first embedding groove (5) is fixedly connected to a first sealing gasket (6), the top of the bottom block (1) and close to the edge thereof is fixedly connected to a vertical column (7), a side wall of the vertical column (7) is provided with a groove (8), the interior of the groove (8) is provided with a screw rod (9), the surface of the screw rod (9) is sleeved with and threadedly connected to a lifting member (10), one end of the lifting member (10) is fixedly connected to a lifting plate (15), the bottom of the lifting plate (15) is provided with a second embedding groove (16), the interior of the second embedding groove (16) is provided with a screw rod (9), and the lifting member (10) is fixedly connected to a lifting plate (15). A second sealing gasket (17) is fixedly connected to the top of the lifting plate (15), a pressure gauge (18) is fixedly connected to the top of the lifting plate (15), an air pump (19) is fixedly connected to one side wall of the vertical column (7) near the bottom, a connecting pipe (20) is fixedly connected to the top of the air pump (19), a connecting piece (21) is installed at the other end of the connecting pipe (20), a cylinder body (22) is embedded in the inside of the first embedded groove (5) and the second embedded groove (16), an air intake pipe (23) is fixedly connected to the surface of the cylinder body (22), and the connecting piece (21) is adapted to fit the air intake pipe (23).

2. A hydraulic cylinder detection device according to claim 1, characterized in that: The bottom of the bottom block (1) is fixedly connected to a chassis (2), the outer arc wall of the chassis (2) is fixedly connected to mounting blocks (3) at equal intervals, and the surface of the mounting blocks (3) is provided with mounting holes (4).

3. The hydraulic cylinder detection device according to claim 1, characterized in that: The bottom of the screw rod (9) is rotatably connected to the bottom inner wall of the groove (8) through a bearing, and the top of the screw rod (9) passes through the top inner wall of the groove (8) and is rotatably connected to its bearing.

4. A hydraulic cylinder detection device according to claim 1, characterized in that: A driving motor (11) is fixedly connected to the top of the vertical column (7), and an output end of the driving motor (11) is fixedly connected to the top of the screw rod (9).

5. The hydraulic cylinder detection device according to claim 1, characterized in that: Limiting grooves (12) are provided on the inner walls of both sides of the groove (8); a limiting rod (14) is fixedly connected to the interior of the limiting groove (12); a limiting block (13) is sleeved on the surface of the limiting rod (14) and slidably connected thereto; and the limiting block (13) is fixedly connected to the lifting member (10).

6. A hydraulic cylinder detection device according to claim 2, characterized in that: The bottom of the air pump (19) is fixedly connected to the top of the chassis (2).

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